Research Article

The Association of Type 2 Diabetes Mellitus with Cerebral Gray Matter Volume Is Independent of Retinal Vascular Architecture and Retinopathy

Table 2

Association between Type 2 Diabetes Mellitus and retinal measurements.

Retinal variableModel 1
(95% CI)
Model 2
(95% CI)
Model 3
(95% CI)

Arteriolar measures
Length, pixels14.38 (−36.27 to 65.04)13.01 (−42.00 to 68.01)31.15 (−37.76 to 94.06)
Diameter, pixels0.48 (0.05 to 0.34 (−0.13 to 0.80)0.01 (−0.52 to 0.54)
Length/diameter ratio0.08 (−2.11 to 2.26)0.12 (−2.24 to 2.49)1.24 (−1.46 to 3.95)
Simple tortuosity0.007 (−0.001 to 0.02)0.006 (−0.003 to 0.01)0.006 (−0.003 to 0.02)
Internal angle (°)2.89 (−0.34 to 6.12)2.83 (−0.66 to 6.33)2.63 (−1.50 to 6.76)
Optimality ratio0.01 (0.001 to 0.01 (−0.01 to 0.02)0.004 (−0.01 to 0.02)

Venular measures
Length, pixels3.87 (−31.40 to 39.14)21.30 (−16.43 to 50.02)8.30 (−35.99 to 52.59)
Diameter, pixels0.08 (−0.61 to 0.77)−0.21 (−0.95 to 0.54)−0.45 (−1.32 to 0.43)
Length/diameter ratio0.18 (−1.12 to 1.47)0.95 (−0.44 to 2.33)0.65 (−0.98 to 2.27)
Simple tortuosity0.001 (−0.001 to 0.003)0.002 (−0.001 to 0.004)0.001 (−0.002 to 0.004)

Retinopathy
Any retinopathy (odds ratio)1.00 (0.68 to 1.47)1.47 (0.96 to 2.26)1.41 (0.85 to 2.32)

Including nonsymmetrical second-order vessels for all bifurcations.
Model 1 unadjusted.
Model 2 adjusted for age and sex.
Model 3 adjusted for age, sex, and vascular risk factors (history of smoking, hypertension, systolic and diastolic blood pressure, BMI and history of stroke, ischemic heart disease, and hyperlipidaemia).
value < 0.05.